7752661087 has 2 divisors, whose sum is σ = 7752661088. Its totient is φ = 7752661086.

The previous prime is 7752661069. The next prime is 7752661153. The reversal of 7752661087 is 7801662577.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (7801662577) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7752661087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7752661087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7752661687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3876330543 + 3876330544.

It is an arithmetic number, because the mean of its divisors is an integer number (3876330544).

Almost surely, 2^7752661087 is an apocalyptic number.

7752661087 is a deficient number, since it is larger than the sum of its proper divisors (1).

7752661087 is an equidigital number, since it uses as much as digits as its factorization.

7752661087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 987840, while the sum is 49.

The square root of 7752661087 is about 88049.1969696487. The cubic root of 7752661087 is about 1979.1722798652.

The spelling of 7752661087 in words is "seven billion, seven hundred fifty-two million, six hundred sixty-one thousand, eighty-seven".